LIQUID CRYSTAL DISPLAY DEVICE AND CONTROL METHOD THEREOF
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United States of America Patent
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app pub date -
Sep 16, 2015
filing date -
Apr 7, 2015
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Abstract
A liquid crystal display device and a control method thereof are provided. The liquid crystal display device includes a liquid crystal display unit, a position capturing unit, a control unit and at least two backlight units. The at least two backlight units have different light emergent directions; the position capturing unit is configured to collect position information of a user, and feed the position information back to the control unit; the control unit is configured to acquire a viewing angle of the user based on the position information, and control the backlight unit having a light emergent direction matching with the viewing angle to emit light, and meanwhile, adjust a brightness of the liquid crystal display unit, so as to make the brightness match with the viewing angle. The liquid crystal display device can ensure no loss of image quality in a liquid crystal display device at different viewing angles.
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